Full-back Liam Williams is a doubt for the start of the 2020 Six Nations.
Wales head coach Warren Gatland says the Saracens back will be out for three months with an ankle injury.
Williams suffered the problem in training ahead of the World Cup semi-final against South Africa.
The 28-year-old flew home straight after missing the last four defeat against the Springboks and has had surgery in London.
Wales open their Six Nations campaign against Italy in Cardiff on 1 February before travelling to face Ireland seven days later.
"I think he had surgery yesterday," said Gatland.
"I think it will be three months. That surgery takes about that long.
"If we'd made the final, he would still be here with us. In fairness to Saracens, they'd agreed that.
"But if we weren't they wanted to get him back for surgery as quickly as possible."
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Fellow full-back Leigh Halfpenny also misses the bronze match against New Zealand after suffering concussion against South Africa.
Wing George North and Aaron Wainwright are missing with hamstring problems, while prop Tomas Francis has a shoulder injury.